June 8, 2010 No Comments Free Sample of Starbucks VIA Ready Brew – Costco Free Sample of Starbucks VIA Ready Brew – Costco Sample size 0.11oz. (one serving). While supplies last. Costco Member ID is required. Free Sample of Starbucks VIA Ready Brew – Costco – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.